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            <h1 style="display: none">vue2+elementui写穿梭框</h1>
            
            
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                <p>需求：模仿elementui实现数据项为table+分页功能的穿梭框</p>
<p>思路：布局-左中右，左table+中按钮+右table</p>
<p>code:</p>
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class="hljs vue">&lt;template&gt;<br>  &lt;div&gt;<br>    &lt;div &gt;<br>      &lt;el-row style=&quot;display: flex; justify-content: space-around&quot;&gt;<br>        &lt;!-- 左边列表 --&gt;<br>        &lt;el-col :span=&quot;10&quot; style=&quot;border: 1px solid #ebeef5&quot;&gt;<br>          &lt;span<br>            style=&quot;<br>              display: block;<br>              font-size: 16px;<br>              padding: 10px;<br>              border-bottom: 1px solid #ebeef5;<br>              margin-bottom: 10px;<br>            &quot;<br>          &gt;<br>            &lt;el-input<br>              size=&quot;mini&quot;<br>              placeholder=&quot;请输入&quot;<br>              v-model=&quot;leftSearchKey&quot;<br>              :style=&quot;&#123; width: &#x27;240px&#x27; &#125;&quot;<br>              clearable<br>              @change=&quot;leftSearchChange&quot;<br>            &gt;&lt;/el-input&gt;<br>          &lt;/span&gt;<br>          &lt;el-col :span=&quot;16&quot;&gt; &lt;/el-col&gt;<br>          &lt;el-col :span=&quot;24&quot; style=&quot;margin-right: 10px&quot;&gt; &lt;/el-col&gt;<br>          &lt;el-table<br>            :data=&quot;data1&quot;<br>            ref=&quot;selection&quot;<br>            @selection-change=&quot;checkAll&quot;<br>            style=&quot;width: 100%; height: 350px; overflow-y: scroll&quot;<br>            :header-cell-style=&quot;&#123; background: &#x27;#eef1f6&#x27;, color: &#x27;#606266&#x27; &#125;&quot;<br>            height=&quot;350&quot;<br>          &gt;<br>            &lt;el-table-column type=&quot;selection&quot; width=&quot;55&quot;&gt;&lt;/el-table-column&gt;<br>            &lt;el-table-column<br>              prop=&quot;code&quot;<br>              label=&quot;xxx&quot;<br>            &gt;&lt;/el-table-column&gt;<br>            &lt;el-table-column prop=&quot;label&quot; label=&quot;yyy&quot;&gt;&lt;/el-table-column&gt;<br>          &lt;/el-table&gt;<br>          &lt;div style=&quot;margin: 10px&quot;&gt;<br>            &lt;el-pagination<br>              @size-change=&quot;handleSizeChange&quot;<br>              @current-change=&quot;handleCurrentChange&quot;<br>              :current-page.sync=&quot;pageNum&quot;<br>              :page-sizes=&quot;[10, 20, 50, 100]&quot;<br>              :page-size=&quot;pageSize&quot;<br>              layout=&quot;total,sizes, prev, pager, next&quot;<br>              :total=&quot;leftTotal&quot;<br>              small<br>            &gt;<br>            &lt;/el-pagination&gt;<br>          &lt;/div&gt;<br>        &lt;/el-col&gt;<br>        &lt;!-- 按钮 --&gt;<br>        &lt;el-col<br>          :span=&quot;2&quot;<br>          style=&quot;<br>            display: flex;<br>            flex-direction: column;<br>            justify-content: center;<br>            align-items: center;<br>          &quot;<br>        &gt;<br>          &lt;el-button<br>            icon=&quot;el-icon-arrow-right&quot;<br>            :disabled=&quot;nowSelectData.length ? false : true&quot;<br>            size=&quot;mini&quot;<br>            @click=&quot;handelSelect&quot;<br>          &gt;<br>          &lt;/el-button&gt;<br>          &lt;el-button<br>            icon=&quot;el-icon-arrow-left&quot;<br>            :disabled=&quot;nowSelectRightData.length ? false : true&quot;<br>            size=&quot;mini&quot;<br>            @click=&quot;handleRemoveSelect&quot;<br>            style=&quot;margin-top: 10px; margin-left: 0px&quot;<br>          &gt;<br>          &lt;/el-button&gt;<br>        &lt;/el-col&gt;<br>        &lt;!-- 右边列表 --&gt;<br>        &lt;el-col :span=&quot;10&quot; style=&quot;border: 1px solid #ebeef5; min-height: 460px&quot;&gt;<br>          &lt;span<br>            style=&quot;<br>              display: block;<br>              font-size: 16px;<br>              padding: 10px;<br>              border-bottom: 1px solid #ebeef5;<br>              margin-bottom: 10px;<br>            &quot;<br>          &gt;<br>            &lt;el-input<br>              size=&quot;mini&quot;<br>              placeholder=&quot;请输入&quot;<br>              v-model=&quot;rightSearchKey&quot;<br>              :style=&quot;&#123; width: &#x27;240px&#x27; &#125;&quot;<br>              clearable<br>              @change=&quot;rightSearchChange&quot;<br>            &gt;&lt;/el-input&gt;<br>          &lt;/span&gt;<br>          &lt;el-table<br>            :data=&quot;selectArr&quot;<br>            ref=&quot;selection&quot;<br>            @selection-change=&quot;checkRightAll&quot;<br>            style=&quot;width: 100%; height: 350px;  overflow-y: scroll&quot;<br>            :header-cell-style=&quot;&#123; background: &#x27;#eef1f6&#x27;, color: &#x27;#606266&#x27; &#125;&quot;<br>            height=&quot;350&quot;<br>          &gt;<br>            &lt;el-table-column type=&quot;selection&quot; width=&quot;55&quot;&gt;&lt;/el-table-column&gt;<br>            &lt;el-table-column<br>              prop=&quot;code&quot;<br>              label=&quot;xxx&quot;<br>            &gt;&lt;/el-table-column&gt;<br>            &lt;el-table-column prop=&quot;label&quot; label=&quot;yyy&quot;&gt;&lt;/el-table-column&gt;<br>          &lt;/el-table&gt;<br>          &lt;div style=&quot;margin: 10px&quot;&gt;<br>            &lt;el-pagination<br>              @size-change=&quot;handleRightSizeChange&quot;<br>              @current-change=&quot;handleRightCurrentChange&quot;<br>              :current-page.sync=&quot;r_pageNum&quot;<br>              :page-sizes=&quot;[10, 20, 50, 100]&quot;<br>              :page-size=&quot;r_pageSize&quot;<br>              layout=&quot;total,sizes, prev, pager, next&quot;<br>              :total=&quot;rightTotal&quot;<br>              small<br>            &gt;<br>            &lt;/el-pagination&gt;<br>          &lt;/div&gt;<br>        &lt;/el-col&gt;<br>      &lt;/el-row&gt;<br>    &lt;/div&gt;<br>    &lt;div slot=&quot;footer&quot; class=&quot;dialog-footer&quot;&gt;<br>      &lt;el-button @click=&quot;closeDialog&quot;&gt;取 消&lt;/el-button&gt;<br>      &lt;el-button type=&quot;primary&quot; @click=&quot;confirm&quot;&gt;确 定&lt;/el-button&gt;<br>    &lt;/div&gt;<br>  &lt;/div&gt;<br>&lt;/template&gt;<br><br>&lt;script&gt;<br>export default &#123;<br>  data () &#123;<br>    return &#123;<br>      // 两个搜索值<br>      leftSearchKey: &#x27;&#x27;,<br>      rightSearchKey: &#x27;&#x27;,<br>      // 两个total<br>      leftTotal: 0,<br>      rightTotal: 0,<br>      // 右边列表  (显示右边列表) - 显示数据<br>      selectArr: [],<br>      // 备份右边列表 输入框清空后恢复数据 - 实际数据<br>      backupsSelectArr: [],<br>      // 左边数据<br>      data1: [],<br>      // data1: [<br>      //   &#123;<br>      //     code: &#x27;qqqqq&#x27;,<br>      //     label: &#x27;王小啊倒萨1&#x27;<br>      //   &#125;,<br>      //   &#123;<br>      //     code: &#x27;qqqqq&#x27;,<br>      //     label: &#x27;王小虎2&#x27;<br>      //   &#125;,<br>      //   &#123;<br>      //     code: &#x27;qqqqqqqq&#x27;,<br>      //     label: &#x27;王小虎3撒法发&#x27;<br>      //   &#125;<br>      // ],<br><br>      // 左边选中列表数据<br>      nowSelectData: [],<br>      // 右边选中列表数据<br>      nowSelectRightData: [],<br>      // 分页项<br>      pageNum: 1,<br>      pageSize: 10,<br>      r_pageNum: 1,<br>      r_pageSize: 10,<br>      // 获取左边列表数据接口参数 - 搜索框改变的值<br>      leftSerachParams: &#x27;&#x27;<br>    &#125;<br>  &#125;,<br>  mounted () &#123;<br>    // 获取左边列表数据<br>    this.getTransferInfo()<br>  &#125;,<br>  methods: &#123;<br>    // 左边搜索值改变<br>    leftSearchChange (val) &#123;<br>      this.$set(this.data1, [])<br>      this.leftSerachParams = val<br>      this.getTransferInfo()<br>    &#125;,<br>    // 右边搜索值改变<br>    rightSearchChange (val) &#123;<br>      // 搜索框改变值为空 - 将实际数据直接赋值给右边页面显示数据<br>      if (val === &#x27;&#x27;) &#123;<br>        this.selectArr = this.backupsSelectArr<br>      &#125; else &#123;<br>        // 模糊查询 - 改变值在实际数据中进行查询<br>        this.selectArr = this.backupsSelectArr.filter((item, index, arr) =&gt; &#123;<br>          return item[&#x27;属性名&#x27;].indexOf(val) &gt; -1<br>        &#125;)<br>      &#125;<br>    &#125;,<br>    // 左边table选中的改变时触发<br>    checkAll (val) &#123;<br>      // 赋值给左边勾选数据列表<br>      this.nowSelectData = val<br>    &#125;,<br>    checkRightAll (val) &#123;<br>      // 赋值给右边勾选数据列表<br>      this.nowSelectRightData = val<br>    &#125;,<br>    //   去重 - 将两个数组合并 并通过数组项中的对象进行去重<br>    mergeAndRemoveDuplicates (arr1, arr2, uniqueProperty) &#123;<br>      const mergedArray = arr1.concat(arr2)<br>      // 使用 forEach 和 Map 对象进行去重<br>      const uniqueMap = new Map()<br>      mergedArray.forEach(obj =&gt; &#123;<br>        // 以 uniqueProperty 为键，存储对象到 Map 中<br>        const key = obj[uniqueProperty]<br>        uniqueMap.set(key, obj)<br>      &#125;)<br>      // 从 Map 的值中提取去重后的数组<br>      const uniqueArray = Array.from(uniqueMap.values())<br>      return uniqueArray<br>    &#125;,<br>    // 左向右移动按钮<br>    handelSelect () &#123;<br>      // 左向右移动 - 去重<br>      const backupsSelectArrRemoveDuplicates = this.mergeAndRemoveDuplicates(this.nowSelectData, this.backupsSelectArr, &#x27;属性名&#x27;)<br>      const selectArrRemoveDuplicates = this.mergeAndRemoveDuplicates(this.nowSelectData, this.selectArr, &#x27;属性名&#x27;)<br>      //  如果去重后的数组长度大于原数组 说明有新的值传入 进行添加到backupsSelectArr<br>      this.backupsSelectArr = backupsSelectArrRemoveDuplicates.length === this.backupsSelectArr.length ? this.backupsSelectArr : [].concat(this.backupsSelectArr, this.nowSelectData)<br>      // 如果去重后的数组长度大于原数组 说明有新的值传入 进行添加到selectArr 并通过r_pageSize 控制当前一页显示多少数据<br>      this.selectArr = selectArrRemoveDuplicates.length === this.selectArr.length ? this.selectArr : this.handleConcatArr(this.selectArr, this.nowSelectData).slice(0, this.r_pageSize)<br>      // 设置右边total<br>      this.rightTotal = this.backupsSelectArr.length<br>      // 在左边例表中 移除选中左边选中的<br>      this.handleRemoveTabList(this.nowSelectData, this.data1)<br>      // 清空左边选中列表数据<br>      this.nowSelectData = []<br>    &#125;,<br>    // 右到左移动按钮<br>    handleRemoveSelect () &#123;<br>      // 去重<br>      const arr = this.mergeAndRemoveDuplicates(this.nowSelectRightData, this.data1, &#x27;属性名&#x27;)<br>      // 如果去重后的数组长度大于原数组 说明有新的值传入 进行添加到data1<br>      this.data1 = arr.length === this.data1.length ? this.data1 : this.handleConcatArr(this.data1, this.nowSelectRightData)<br>      // selectArr、backupsSelectArr中去掉右移的数据<br>      this.handleRemoveTabList(this.nowSelectRightData, this.selectArr)<br>      this.handleRemoveTabList(this.nowSelectRightData, this.backupsSelectArr)<br>      // 设置右边total<br>      this.rightTotal = this.backupsSelectArr.length<br>      // 右移后 - 刷新右边显示列表<br>      this.selectArr = this.backupsSelectArr.slice(0, this.r_pageSize)<br>      this.nowSelectRightData = []<br>    &#125;,<br>    // 合并数据<br>    handleConcatArr (selectArr, nowSelectData) &#123;<br>      let arr = []<br>      arr = arr.concat(selectArr, nowSelectData)<br>      return arr<br>    &#125;,<br>    // 移除数据<br>    handleRemoveTabList (isNeedArr, originalArr) &#123;<br>      if (isNeedArr.length &amp;&amp; originalArr.length) &#123;<br>        for (let i = 0; i &lt; isNeedArr.length; i++) &#123;<br>          // 将选中的数据在所有数据中比较 找到了就删除<br>          for (let k = 0; k &lt; originalArr.length; k++) &#123;<br>            if (isNeedArr[i][&#x27;属性名&#x27;] === originalArr[k][&#x27;属性名&#x27;]) &#123;<br>              originalArr.splice(k, 1)<br>            &#125;<br>          &#125;<br>        &#125;<br>      &#125;<br>    &#125;,<br>    //   获取左边列表数据<br>    async getTransferInfo () &#123;<br>      const params = &#123; &#125;<br>      const res = await this.$get(&#x27;/xxxxxxxxx&#x27;, params)<br>      if (res.code === 200) &#123;<br>        // 赋值<br>        this.data1 = res.data.data<br>        this.leftTotal = res.data.total<br>      &#125;<br>    &#125;,<br>    // 分页区 分页变化<br>    handleSizeChange (val) &#123;<br>      this.$set(this.data1, [])<br>      this.pageSize = val<br>      this.getTransferInfo()<br>    &#125;,<br>    handleCurrentChange (val) &#123;<br>      this.$set(this.data1, [])<br>      this.pageNum = val<br>      this.getTransferInfo()<br>    &#125;,<br>    handleRightSizeChange (val) &#123;<br>      this.r_pageSize = val<br>      // 通过pagesize修改数据一页显示多少条<br>      this.selectArr = this.backupsSelectArr.slice(0, this.r_pageSize)<br>    &#125;,<br>    handleRightCurrentChange (val) &#123;<br>      this.r_pageNum = val<br>      // 通过r_pageSize、r_pageNum控制数据显示<br>      this.selectArr = this.backupsSelectArr.slice((this.r_pageNum - 1) * this.r_pageSize, this.r_pageNum * this.r_pageSize)<br>    &#125;,<br>    // 确认<br>    confirm () &#123;<br>      // 确认操作<br>    &#125;,<br>    // 取消<br>    closeDialog () &#123;<br>      this.$emit(&#x27;close&#x27;)<br>    &#125;<br>  &#125;<br>&#125;<br>&lt;/script&gt;<br><br>&lt;style lang=&quot;less&quot; scoped&gt;<br>.dialog-footer &#123;<br>  display: flex;<br>  justify-content: flex-end;<br>  margin-top: 10px;<br>&#125;<br>&lt;/style&gt;<br><br></code></pre></td></tr></table></figure>


                
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